MPEC 1996-L06 : 1987 PA
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M.P.E.C. 1996-L06 Issued 1996 June 10, 15:51 UT
The Minor Planet Electronic Circulars contain information on unusual
minor planets and routine data on comets. They are published
on behalf of Commission 20 of the International Astronomical Union by the
Minor Planet Center, Smithsonian Astrophysical Observatory,
Cambridge, MA 02138, U.S.A.
BMARSDEN@CFA.HARVARD.EDU or GWILLIAMS@CFA.HARVARD.EDU
1987 PA
Observations:
J87P00A pA1996 06 09.79515 22 27 03.69 -51 20 31.8 18.5 V 413
J87P00A pA1996 06 09.80557 22 27 05.72 -51 20 01.3 413
J87P00A bA1996 06 10.59487 22 29 46.80 -50 42 30.2 413
J87P00A bA1996 06 10.59698 22 29 47.19 -50 42 23.9 413
Observer details:
413 Siding Spring Observatory. Observers C. P. Cass, G. J. Garradd,
R. H. McNaught, D. I. Steel. Measurer R. H. McNaught. 1.2-m U.K. Schmidt,
1.0-m reflector + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees)
960609 413 0.18- 0.44- 960610 413 0.18- 0.44- MPC 26756
Orbital elements:
1987 PA
Id. R. H. McNaught (1996 observations)
Epoch 1996 Apr. 27.0 TT = JDT 2450200.5 Williams
M 346.37996 (2000.0) P Q
n 0.22007071 Peri. 337.77317 +0.29534275 +0.92973823
a 2.7170308 Node 308.68901 -0.82869155 +0.13475277
e 0.5641439 Incl. 16.36375 -0.47543977 +0.34267845
P 4.48 H 18.5 G 0.15 U 2
Residuals in seconds of arc
870801 675 (1.5- 7.4+) 870822 675 1.7- 0.8- Y 870919 691 1.1+ 0.6-
870801 675 1.9+ 1.6+ 870824 801 1.3- 0.5+ 870920 691 0.4- 0.1-
870802 675 0.8+ 0.8+ 870828 688 0.1- 0.2- 870920 691 0.1+ 0.4-
870802 675 0.7+ 0.4- 870828 688 0.1- 0.1- 870920 691 1.0+ 0.5-
870805 675 (2.5- 3.7+) 870828 675 (4.6- 7.7-)Y 871026 688 0.5+ 0.9+
870805 675 0.6- 1.8- 870828 675 (1.7- 11.3-)Y 871026 688 0.5+ 0.9+
870817 691 0.8- 0.1+ 870829 691 0.9+ 0.4+ 960609 413 1.0- 1.3-
870817 691 0.8- 0.1- 870829 691 0.7+ 0.3+ 960609 413 0.6- 0.0
870817 691 1.3- 0.5+ 870829 691 1.0+ 0.1+ 960610 413 0.8+ 0.4+
870821 801 0.7- 0.6- 870919 691 0.5- 0.1+ 960610 413 0.7+ 0.9+
870822 675 (3.4- 0.1+)Y 870919 691 0.2- 0.2-
Ephemeris:
1987 PA a,e,i = 2.72, 0.56, 16 q = 1.1842
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1996 06 06 22 13.05 -54 08.0 0.364 1.212 114.6 49.6 18.6
1996 06 11 22 31.06 -50 23.1 0.343 1.201 115.0 50.0 18.4
1996 06 16 22 45.50 -46 05.3 0.324 1.193 115.7 50.2 18.3
1996 06 21 22 56.68 -41 16.1 0.308 1.187 116.7 49.9 18.2
1996 06 26 23 04.96 -35 58.0 0.294 1.184 118.3 49.1 18.0
1996 07 01 23 10.66 -30 14.8 0.283 1.185 120.3 47.8 17.9
1996 07 06 23 14.07 -24 12.9 0.275 1.188 122.7 46.1 17.8
1996 07 11 23 15.34 -18 00.8 0.271 1.194 125.5 43.9 17.7
1996 07 16 23 14.65 -11 49.0 0.270 1.203 128.6 41.3 17.7
1996 07 21 23 12.18 -05 48.8 0.273 1.215 131.8 38.5 17.6
1996 07 26 23 08.18 -00 11.4 0.280 1.230 135.1 35.6 17.6
1996 07 31 23 02.90 +04 53.9 0.290 1.247 138.3 32.8 17.7
1996 08 05 22 56.62 +09 20.4 0.304 1.266 141.3 30.1 17.7
1996 08 10 22 49.62 +13 04.7 0.322 1.287 143.9 27.6 17.8
1996 08 15 22 42.27 +16 06.0 0.342 1.311 146.1 25.5 17.9
1996 08 20 22 34.97 +18 26.4 0.366 1.336 147.8 23.8 18.1
1996 08 25 22 28.09 +20 09.5 0.393 1.363 149.0 22.5 18.2
1996 08 30 22 21.91 +21 20.2 0.423 1.391 149.5 21.6 18.4
1996 09 04 22 16.65 +22 03.5 0.456 1.420 149.5 21.1 18.6
1996 09 09 22 12.45 +22 24.5 0.492 1.451 148.9 21.0 18.8
1996 09 14 22 09.39 +22 27.9 0.531 1.482 147.7 21.3 19.0
1996 09 19 22 07.51 +22 18.2 0.574 1.515 146.1 21.7 19.2
1996 09 24 22 06.79 +21 59.3 0.619 1.548 144.2 22.3 19.5
1996 09 29 22 07.15 +21 34.5 0.667 1.582 141.9 23.0 19.7
1996 10 04 22 08.49 +21 06.1 0.719 1.616 139.4 23.7 19.9
1996 10 09 22 10.73 +20 36.2 0.774 1.650 136.8 24.5 20.2
1996 10 14 22 13.78 +20 06.4 0.832 1.685 134.1 25.2 20.4
1996 10 19 22 17.55 +19 38.0 0.893 1.721 131.2 25.8 20.6
1996 10 24 22 21.97 +19 11.9 0.956 1.756 128.3 26.4 20.8
1996 10 29 22 26.94 +18 48.8 1.023 1.791 125.4 26.9 21.0
1996 11 03 22 32.38 +18 29.1 1.093 1.827 122.4 27.3 21.2
1996 11 08 22 38.24 +18 12.8 1.165 1.863 119.3 27.6 21.4
1996 11 13 22 44.46 +18 00.3 1.240 1.898 116.3 27.9 21.6
1996 11 18 22 51.00 +17 51.6 1.317 1.934 113.3 28.0 21.8
1996 11 23 22 57.81 +17 46.6 1.396 1.969 110.2 28.1 21.9
Gareth V. Williams (C) Copyright 1996 MPC M.P.E.C. 1996-L06
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